I actually find that if you enter your search parameters into Google search, it's a much more effective way to find what you want than by using the Chow search engine. I don't know what it is about the Chow search engine, but the results it gives are often confusingly unrelated to the searches entered.

For example, look at how many of the top results in Chow compare to the top results in Google:

Just a suggestion - I read somewhere that hot dog buns work when cut into two or three smaller "buns". This may work for you if it's not a party or some function where you care about what they look like.